Methanesulfonic acid 2-[(3aR,5S,6aR)-5-[(R)-1,2-bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2,2-dimethyl-dihydro-furo[2,3-d][1,3]dioxol-(6E)-ylidene]-ethyl ester

[(3aR,5S,6aR)-5-((R)-1,2-Dihydroxy-ethyl)-2,2-dimethyl-dihydro-furo[2,3-d][1,3]dioxol-(6E)-ylidene]-acetic acid methyl ester

2-[(3aR,5S,6aR)-5-[(R)-1,2-Bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2,2-dimethyl-dihydro-furo[2,3-d][1,3]dioxol-(6E)-ylidene]-ethanol

[(3aR,5S,6aR)-5-[(R)-1,2-Bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2,2-dimethyl-dihydro-furo[2,3-d][1,3]dioxol-(6E)-ylidene]-acetic acid methyl ester

(3aR,5S,6aR)-5-[(R)-1,2-Bis-(tert-butyl-dimethyl-silanyloxy)-ethyl]-2,2-dimethyl-6-[2-thiocyanato-eth-(E)-ylidene]-tetrahydro-furo[2,3-d][1,3]dioxole